Enhanced SPF sunscreen (sprayable) formulations comprising interpolymers of PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester

Abstract

Topically applicable cosmetic/dermatological compositions well suited for both effective and SPF-enhanced UV-photoprotection of human skin, hair and/or scalp, most preferably packaged as spray delivery systems, contain (a) an effective UV-photoprotecting amount of at least one UV-A and/or UV-B sunscreen, most notably the sunscreen avobenzone, and (b) an amount of the interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester effective to statistically significantly enhance the SPF value of said at least one UV-A and/or UV-B or avobenzone sunscreen, formulated into (c) a topically applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor; the subject compositions optionally contain a thus-effective amount of an artificial/sunless tanning agent.

What is claimed is:  
     
       1. A regime/regimen for improvedly UV-photoprotecting human skin, hair and/or scalp against the deleterious effects of ultraviolet irradiation, comprising topically applying thereon (a) an effective UV-photoprotecting amount of at least one UV-A and/or UV-B sunscreen and (b) an amount of the interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester effective to significantly enhance the SPF value of said at least one UV-A and/or UV-B sunscreen, formulated into (c) a topically applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor. 
     
     
       2. A regime/regimen for improvedly UV-photoprotecting human skin, hair and/or scalp against the deleterious effects of ultraviolet irradiation, comprising topically applying thereon (a) an effective UV-photoprotecting amount of the sunscreen avobenzone and (b) an amount of the interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester effective to significantly enhance the SPF value of said avobenzone sunscreen, formulated into (c) a topically applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor. 
     
     
       3. The UV-photoprotecting regime/regimen as defined by claims  1  or  2 , the amount of said interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester being effective to enhance the SPF value of said at least one UV-A and/or UV-B avobenzone sunscreen up to 2 times higher. 
     
     
       4. The UV-photoprotecting regime/regimen as defined by claims  1  or  2 , comprising topically applying such amounts of said at least one UV-A and/or UV-B avobenzone sunscreen and said interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester as to provide an SPF value of greater than 40. 
     
     
       5. The UV-photoprotecting regime/regimen as defined by claims  1  or  2 , comprising topically applying such amounts of said at least one UV-A and/or UV-B avobenzone sunscreen and said interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester as to provide an SPF value of greater than 50. 
     
     
       6. A regime/regimen for improvedly UV-photoprotecting human skin, hair and/or scalp against the deleterious effects of ultraviolet irradiation, comprising topically spraying thereon (a) an effective UV-photoprotecting amount of at least one UV-A and/or UV-B sunscreen and (b) an amount of the interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester effective to significantly enhance the SPF value of said at least one UV-A and/or UV-B sunscreen, formulated into (c) a topically and sprayable applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor. 
     
     
       7. A regime/regimen for improvedly UV-photoprotecting human skin, hair and/or scalp against the deleterious effects of ultraviolet irradiation, comprising topically spraying thereon (a) an effective UV-photoprotecting amount of the sunscreen avobenzone and (b) an amount of the interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester effective to significantly enhance the SPF value of said avobenzone sunscreen, formulated into (c) a topically and sprayable applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor. 
     
     
       8. The UV-photoprotecting spray regime/regimen as defined by claims  6  or  7 , the amount of said interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester being effective to enhance the SPF value of said at least one UV-A and/or UV-B or avobenzone sunscreen up to 2 times higher. 
     
     
       9. The UV-photoprotecting spray regime/regimen as defined by claims  6  or  7 , comprising topically spray applying such amounts of said at least one UV-A and/or UV-B or avobenzone sunscreen and said interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester as to provide an SPF value of greater than 40. 
     
     
       10. The UV-photoprotecting spray regime/regimen as defined by claims  6  or  7 , comprising topically spray applying such amounts of said at least one UV-A and/or UV-B or avobenzone sunscreen and said interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester as to provide an SPF value of greater than 50. 
     
     
       11. A regime/regimen for concordantly artificially/sunless tanning and improvedly UV-photoprotecting human skin, hair and/or scalp against the deleterious effects of ultraviolet irradiation, comprising topically applying thereon (a) an effective UV-photoprotecting amount of at least one UV-A and/or UV-B sunscreen, (b) an amount of the interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester effective to significantly enhance the SPF value of said at least one UV-A and/or UV-B sunscreen and (c) an effective artificial tanning amount of at least one artificial tanning agent, formulated into (d) a topically applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor. 
     
     
       12. A regime/regimen for concordantly artificially/sunless tanning and improvedly UV-photoprotecting human skin, hair and/or scalp against the deleterious effects of ultraviolet irradiation, comprising topically applying thereon (a) an effective UV-photoprotecting amount of the sunscreen avobenzone, (b) an amount of the interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester effective to significantly enhance the SPF value of said avobenzone sunscreen and (c) an effective artificial tanning amount of at least one artificial tanning agent, formulated into (d) a topically applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor. 
     
     
       13. The concordantly artificially/sunless tanning and UV-photoprotecting regime/regimen as defined by claims  11  or  12 , said at least one artificial tanning agent comprising dihydroxyacetone. 
     
     
       14. A regime/regimen for concordantly artificially/sunless tanning and improvedly UV-photoprotecting human skin, hair and/or scalp against the deleterious effects of ultraviolet irradiation, comprising topically spraying thereon (a) an effective UV-photoprotecting amount of at least one UV-A and/or UV-B sunscreen, (b) an amount of the interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester effective to significantly enhance the SPF value of said at least one UV-A and/or UV-B sunscreen and (c) an effective artificial tanning amount of at least one artificial tanning agent, formulated into (d) a topically and sprayable applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor. 
     
     
       15. A regime/regimen for concordantly artificially/sunless tanning and improvedly UV-photoprotecting human skin, hair and/or scalp against the deleterious effects of ultraviolet irradiation, comprising topically spraying thereon (a) an effective UV-photoprotecting amount of the sunscreen avobenzone, (b) an amount of the interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester effective to significantly enhance the SPF value of said avobenzone sunscreen and (c) an effective artificial tanning amount of at least one artificial tanning agent, formulated into (d) a topically and sprayable applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor. 
     
     
       16. The concordantly artificially/sunless tanning and improvedly UV-photoprotecting regime/regimen as defined by claims  14  or  15 , said at least one artificial tanning agent comprising dihydroxyacetone. 
     
     
       17. A topically applicable cosmetic/dermatological composition suited for improvedly UV-photoprotecting human skin, hair and/or scalp against the deleterious effects of ultraviolet irradiation, comprising (a) an effective UV-photoprotecting amount of at least one UV-A and/or UV-B sunscreen and (b) an amount of the interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester effective to significantly enhance the SPF value of said at least one UV-A and/or UV-B sunscreen, formulated into (c) a topically applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor. 
     
     
       18. A topically applicable cosmetic/dermatological composition suited for improvedly UV-photoprotecting human skin, hair and/or scalp against the deleterious effects of ultraviolet irradiation, comprising (a) an effective UV-photoprotecting amount of the sunscreen avobenzone and (b) an amount of the interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester effective to significantly enhance the SPF value of said avobenzone sunscreen, formulated into (c) a topically applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor. 
     
     
       19. The cosmetic/dermatological UV-photoprotecting composition as defined by claims  17  or  18 , the amount of said interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester being effective to enhance the SPF value of said at least one UV-A and/or UV-B or avobenzone sunscreen up to 2 times higher. 
     
     
       20. An aerosol or pump system adapted for spray-delivery and confining a topically applicable cosmetic/dermatological composition suited for improvedly UV-photoprotecting human skin, hair and/or scalp against the deleterious effects of ultraviolet irradiation, comprising (a) an effective UV-photoprotecting amount of at least one UV-A and/or UV-B sunscreen and (b) an amount of the interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester effective to significantly enhance the SPF value of said at least one UV-A and/or UV-B sunscreen, formulated into (c) a topically and sprayable applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor. 
     
     
       21. An aerosol or pump system adapted for spray-delivery and confining a topically applicable cosmetic/dermatological composition suited for improvedly UV-photoprotecting human skin, hair and/or scalp against the deleterious effects of ultraviolet irradiation, comprising (a) an effective UV-photoprotecting amount of the sunscreen avobenzone and (b) an amount of the interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester effective to significantly enhance the SPF value of said avobenzone sunscreen, formulated into (c) a topically and sprayable applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor. 
     
     
       22. The aerosol or pump system as defined by claims  20  or  21 , the amount of said interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester being effective to enhance the SPF value of said at least one UV-A and/or UV-B or avobenzone sunscreen up to 2 times higher. 
     
     
       23. A topically applicable cosmetic/dermatological composition suited for concordantly artificially/sunless tanning and improvedly UV-photoprotecting human skin, hair and/or scalp against the deleterious effects of ultraviolet irradiation, comprising (a) an effective UV-photoprotecting amount of at least one UV-A and/or UV-B sunscreen, (b) an amount of the interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester effective to significantly enhance the SPF value of said at least one UV-A and/or UV-B sunscreen and (c) an effective amount of at least one artificial tanning agent, formulated into (d) a topically applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor. 
     
     
       24. A topically applicable cosmetic/dermatological composition suited for concordantly artificially/sunless tanning and improvedly UV-photoprotecting human skin, hair and/or scalp against the deleterious effects of ultraviolet irradiation, comprising (a) an effective UV-photoprotecting amount of the sunscreen avobenzone, (b) an amount of the interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester effective to significantly enhance the SPF value of said avobenzone sunscreen and (c) an effective amount of at least one artificial tanning agent, formulated into (d) a topically applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor. 
     
     
       25. The concordantly artificially/sunless tanning and improvedly UV-photoprotecting cosmetic/dermatological composition as defined by claims  23  or  24 , said at least one artificial tanning agent comprising dihydroxyacetone. 
     
     
       26. An aerosol or pump system adapted for spray-delivery and confining a topically applicable cosmetic/dermatological composition suited for concordantly artificially/sunless tanning and improvedly UV-photoprotecting human skin, hair and/or scalp against the deleterious effects of ultraviolet irradiation, comprising (a) an effective UV-photoprotecting amount of at least one UV-A and/or UV-B sunscreen, (b) an amount of the interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester effective to significantly enhance the SPF value of said at least one UV-A and/or UV-B sunscreen and (c) an effective amount of at least one artificial tanning agent, formulated into (d) a topically and sprayable applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor. 
     
     
       27. An aerosol or pump system adapted for spray-delivery and confining a topically applicable cosmetic/dermatological composition suited for concordantly artificially/sunless tanning and improvedly UV-photoprotecting human skin, hair and/or scalp against the deleterious effects of ultraviolet irradiation, comprising (a) an effective UV-photoprotecting amount of the sunscreen avobenzone, (b) an amount of the interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester effective to significantly enhance the SPF value of said avobenzone sunscreen and (c) an effective amount of at least one artificial tanning agent, formulated into (d) a topically and sprayable applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor. 
     
     
       28. The aerosol or pump system as defined by claims  26  or  27 , said at least one artificial tanning agent comprising dihydroxyacetone. 
     
     
       29. A method for enhancing the SPF-value of at least one UV-A and/or UV-B sunscreen in UV-photoprotecting cosmetic/dermatological compositions comprised thereof, which comprises admixing and intimately formulating therewith an amount of the interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester effective to significantly enhance the SPF value of said at least one UV-A and/or UV-B sunscreen. 
     
     
       30. A method for enhancing the SPF-value of the sunscreen avobenzone in UV-photoprotecting cosmetic/dermatological compositions comprised thereof, which comprises admixing and intimately formulating therewith an amount of the interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester effective to significantly enhance the SPF value of said avobenzone sunscreen. 
     
     
       31. A method for providing a UV-photoprotecting cosmetic/dermatological composition which comprises at least one UV-A and/or UV-B sunscreen and having a predetermined SPF value, comprising admixing and intimately formulating an amount of said at least one UV-A and/or UV-B sunscreen less than that required to confer said predetermined SPF value to said cosmetic/dermatological composition, together with such amount of the interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester effective to elevate the SPF thereof to said predetermined value. 
     
     
       32. A method for providing a UV-photoprotecting cosmetic/dermatological composition which comprises the sunscreen avobenzone and having a predetermined SPF value, comprising admixing and intimately formulating an amount of said sunscreen avobenzone less than that required to confer said predetermined SPF value to said cosmetic/dermatological composition, together with such amount of the interpolymer PVP/dimethiconylacrylate/polycarbamyl/polyglycol ester effective to elevate the SPF thereof to said predetermined value.